wilms tumor/نقص الأكسجة

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Angiogenin expression in human kidneys and Wilms' tumours: relationship with hypoxia and angiogenic factors.

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Angiogenin (ANG) is a potent angiogenic factor that is up-regulated by hypoxia. ANG expression is well documented in normal tissues and in common tumours, but its expression has not been reported in the normal human kidney or in Wilms' tumours (WT). We examined ANG expression in WTs, human fetal

Coexpression of hypoxia-inducible factor 1-alpha and vascular endothelial growth factor in Wilms' tumor.

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OBJECTIVE Hypoxia-inducible factor 1 alpha (HIF-1alpha) is an important transcriptional factor responsible for regulating expression of the angiogenic cytokine, vascular endothelial growth factor (VEGF). Little information is available regarding factors involved in the hypoxic cascade, such as HIF

Oxygen-regulated expression of the Wilms' tumor suppressor Wt1 involves hypoxia-inducible factor-1 (HIF-1).

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The Wilms' tumor gene Wt1 is unique among tumor suppressors because of its requirement for the development of certain organs. We recently described de novo expression of Wt1 in myocardial blood vessels of ischemic rat hearts. The purpose of this study was to analyze the mechanism(s) of

Silencing of hypoxia inducible factor-1α by RNA interference inhibits growth of SK-NEP-1 Wilms tumour cells in vitro, and suppresses tumourigenesis and angiogenesis in vivo.

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Wilms tumour is the most common tumour of the pediatric kidney. Elevation of hypoxia-inducible factor 1α (HIF-1α) has been detected in 93% to 100% of human Wilms tumour specimens, suggesting a potential value of HIF-1α as a therapeutic target for Wilms tumour. In the present study, a stable

Wilms tumor protein-dependent transcription of VEGF receptor 2 and hypoxia regulate expression of the testis-promoting gene Sox9 in murine embryonic gonads.

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Wilms tumor protein 1 (WT1) has been implicated in the control of several genes in sexual development, but its function in gonad formation is still unclear. Here, we report that WT1 stimulates expression of Kdr, the gene encoding VEGF receptor 2, in murine embryonic gonads. We found that WT1 and KDR

Cysteine-rich 61-connective tissue growth factor-nephroblastoma-overexpressed 5 (CCN5)/Wnt-1-induced signaling protein-2 (WISP-2) regulates microRNA-10b via hypoxia-inducible factor-1α-TWIST signaling networks in human breast cancer cells.

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MicroRNAs (miRNAs) are naturally occurring single-stranded RNA molecules that post-transcriptionally regulate the expression of target mRNA transcripts. Many of these target mRNA transcripts are involved in regulating processes commonly altered during tumorigenesis and metastatic growth. These

Regulation of the matricellular proteins CYR61 (CCN1) and NOV (CCN3) by hypoxia-inducible factor-1{alpha} and transforming-growth factor-{beta}3 in the human trophoblast.

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It is known that a hypoxic environment is critical for trophoblast migration and invasion and is fundamental for appropriate placental perfusion. Because cysteine-rich 61 (CYR61, CCN1) and nephroblastoma overexpressed (NOV, CCN3) are expressed in the extravillous trophoblast and expression levels

Dyspnea, tachycardia, and new onset seizure as a presentation of wilms tumor: a case report.

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Wilms tumor is found in 1 in 10,000 children and most commonly presents in asymptomatic toddlers whose care givers notice a nontender abdominal mass in the right upper quadrant. This case of Wilms tumor presented as a critically ill eleven-year old with significant tachypnea, dyspnea, vague

Successful management of an infant with hypertensive heart failure associated with Wilms' tumor: a case report.

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Wilms' tumor with hyperreninemia may result in critical cardiovascular decompensation. We report a case of severe hypertensive heart failure followed by tumor resection in a 3-month-old infant with Wilms' tumor.

CASE PRESENTATION

A 3-month-old girl was

[Expression of Stat3, HIF-1alpha and VEGF in Wilms' tumor].

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OBJECTIVE To study the expression of signal transducer and activator of transcription 3 (Stat3), hypoxia-inducible factor-1alpha (HIF-1alpha) and vascular endothelial growth factor (VEGF) in Wilms' tumor and their roles in the development of Wilms' tumor. METHODS The expression of Stat3, HIF-1alpha

Review of prognostic and predictive aspects of mutated TP53 in Wilms' tumor biology with morphological report and molecular analysis of 37-year-old man's nephroblastoma.

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Here we review prognostic and predictive aspects of mutated TP53 in Wilms' tumor biology on the basis of the morphological report and molecular analysis of adult nephroblastoma (diffuse blastemal pattern) of a 37-year-old man. Among quite different proteins, TP53 affects expression of several genes

Blockade of her2/neu decreases VEGF expression but does not alter HIF-1 distribution in experimental Wilms tumor.

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Her2/neu regulates angiogenesis in human breast cancer, in part by stabilizing hypoxia-inducible factor 1alpha (HIF-1alpha), causing accumulation of the HIF-1 heterodimer and thus increasing expression of the proangiogenic cytokine VEGF. Her2/neu has recently been shown to be overexpressed in a

Characterization of the inflammatory microenvironment and identification of potential therapeutic targets in wilms tumors.

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The role of inflammation in cancer has been reported in various adult malignant neoplasms. By contrast, its role in pediatric tumors has not been as well studied. In this study, we have identified and characterized the infiltration of various inflammatory immune cells as well as inflammatory markers

Birth characteristics and Wilms tumors in children in the Nordic countries: a register-based case-control study.

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Little is known about causes of Wilms tumor. Because of the young age at diagnosis, several studies have looked at various birth characteristics. We conducted a registry-based case-control study involving 690 cases of Wilms tumor aged 0-14 years, occurring in Denmark, Finland, Norway or Sweden

Overexpression of carbonic anhydrase and HIF-1α in Wilms tumours.

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BACKGROUND Overexpression of carbonic anhydrase (CA IX) is associated with poor survival in several adult-type cancers but its expression is undocumented in Wilms tumour (WT), the most common tumour of the paediatric kidney. METHODS CA9 expression was measured using polymerase chain reaction (PCR)

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